Across
- 1. the smallest planet in our solar system
- 2. earths only natural satellite
- 4. the blue planet
- 7. it is 4.6 billion years old
- 8. has more moons than any planet in our solar system
- 9. often called Earth's "twin" due to its similar size and mass
Down
- 1. know as the red planet
- 3. known as the ice giant
- 5. has 95 moons
- 6. you hide it in your pants